The minimum turning radius refers to the radius of the locus circle where the center of the outer steering wheel rolls on the support plane when the steering wheel turns to the limit position and the car turns at the lowest stable speed. To a great extent, it represents the ability of a car to pass through a narrow curve area or bypass an insurmountable obstacle. The smaller the turning radius, the better the handling of the car. When the car turns, the minimum distance between the steering center and the steering wheel outside the car is the minimum turning radius. The minimum turning radius indicates the ability of a car to pass through a narrow curve area or bypass obstacles. The smaller the turning radius, the better the handling of the car.
In order to ensure that the wheels roll completely without slipping during steering, the minimum turning radius is determined by the wheelbase of the vehicle. A long wheelbase leads to a larger turning radius, but vehicles with a long wheelbase have better ride comfort. For safety reasons, the turning radius of off-road vehicles is relatively large, because the center of gravity of off-road vehicles is relatively high. If the minimum turning radius is small, it is easy to overturn when turning sharply, so the minimum turning radius of off-road vehicles is generally designed to be larger.
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